Home / 857,219.03-1,182,975.87-470,069.68

Finding the Fourth Proportional to 857,219.03, 1,182,975.87 and 470,069.68

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Solution

The fourth proportional to 857,219.03, 1,182,975.87 and 470,069.68 is: 648,703.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,219.03 : 1,182,975.87 = 470,069.68 : x
  2. Step 2: Convert to fraction form
    857,219.03/1,182,975.87 = 470,069.68/x
  3. Step 3: Cross multiply
    857,219.03x = 1,182,975.87 × 470,069.68
  4. Step 4: Simplify right side
    857,219.03x = 556,081,085,715.81
  5. Step 5: Solve for x
    x = 556,081,085,715.81/857,219.03
  6. Step 6: Final answer
    x = 648,703.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.